update atvflash without apple tv update

this in the instructions:so why do i get consisten "an error occurred" when i try to update atvflash?????

Without an AppleTV Update

Between AppleTV system updates aTV Flash updates can be easily installed directly on the AppleTV through the Maintenance --> Manage Plugins menu.

1. Navigate to Maintenance --> Manage Plugins menu.

2. Select any item that has the word 'Update' next to it.

3. Re-run Smart Installer (optional, but recommended)